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It was difficult to tell which shined brighter Saturday at Lucas Oil Stadium: the hot lights of the many cameras pointed toward Michael Sam or the Missouri defensive end's wide smile.

If the guy was nervous about facing perhaps the biggest assemblage of media ever seen at the NFL Scouting Combine, nothing about his calm, relaxed demeanor offered even the slightest suggestion. He was disarming, funny and direct even while discussing an intensely personal topic - his sexual orientation - with a room full of strangers.

It remains to be seen what kind of football player Sam will become. There are ...